function OpenWindow(URLID,DIR,w,h)
{
	var wi = w; var hi = h;
	var wleft = (screen.width - wi) / 2;
	var wtop = (screen.height - hi) / 2;
	newwindow=window.open('viewpicture.asp?id=' + URLID + '&dir=' + DIR,'name','width='+w+',height='+h+',left='+wleft+',top='+wtop+',resizable=no,scrollbars=yes,toolbar=no,status=no,menubar=no;minimise=no');
}

function emailCheck() 
{
	var emailPat=/^(.+)@(.+)$/
	var emailStr = document.contactus.email.value;
	if(emailStr.length > 1)
	{  	  	
		var matchArray = emailStr.match(emailPat);
		if (matchArray == null) 
		{
			alert("Please Enter Correct Email Address"); 
			return false;
		}	
		else
		{
			return true;
		}  		
	}
}  

function phoneCheck()
{
	var phLength;
	phLength = document.contactus.phone.value;
	if(phLength.length < 10 )
	{
		alert("Please Enter Correct Phone Number(10 numeric digits)"); 
		return false;
	}
	
	if (isNaN(phLength) == true)
	{
		alert("Please Enter Correct Phone Number(10 numeric digits)"); 
		return false;
	}
	
	else
	{
		return true;
	}
}

function checkform(){
	var i,j,bval;
	mandFieldName=new Array(4);
	mandField=new Array(4);
	mandFieldName[0]="Name";	
	mandFieldName[1]="Phone";
	mandFieldName[2]="Email Address";
	 
	mandField[0]=document.contactus.name.value;
	mandField[1]=document.contactus.phone.value;
	mandField[2]=document.contactus.email.value;
	bval=true;
	
	for (i=0;i<3;i++){
		if (mandField[i]==""){
			alert("Please fill " + mandFieldName[i] + " field.");
			bval=false
			break;
		}
	}
	
	if(bval){ bval=emailCheck();}
	if(bval){ bval=phoneCheck();}
	return bval;
}